Q. Which of the following is used to avoid the repetition of data in MongoDB schema?

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Q. Point out the wrong statement.

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Q. __________ define what records to select for read, update, and delete operations.

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Q. The ___________ JavaScript shell and the MongoDB language drivers translate between BSON and the language-specific document representation.

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Q. Which of the following statement is incorrect about documents in MongoDB?

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Q. The ________ References pattern stores each tree node in a document; in addition to the tree node, the document stores the id of the node’s parent.

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Q. Point out the correct statement.

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Q. The ________ Links pattern provides a simple solution to tree storage but requires multiple queries to retrieve subtrees.

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Q. The _________ References pattern stores each tree node in array the id(s) of the node’s children.

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Q. Point out the wrong statement.

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Q. Which of the following pattern may provide a suitable solution for storing graphs?

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Q. Which of the following pattern is more straightforward to use?

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Q. The Array of Ancestors pattern is slightly slower than the ________________ pattern.

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Q. The ____________ pattern identifies each node in the tree as stops in a round-trip traversal of the tree.

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Q. ____________ pattern requires additional steps of working with strings and regular expressions.

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Q. Which of the following pattern is best for static trees that do not change?

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Q. Point out the correct statement.

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Q. Which of the following operations are atomic on document level?

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Q. ___________ bulk indexes may be more efficient for some kinds of content and workloads in real time.

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Q. Point out the correct statement.

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